ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,276, issued on Nov. 4, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Reflective optical metasurface films" was invented by Martin B. Wolk (Woodbury, Minn.), Robert L Brott (Woodbury, Minn.), Karl K. Stensvad (Eagan, Minn.), Vadim N. Savvateev (St. Paul, Minn.), James M. Nelson (Lino Lakes, Minn.), Lin Zhao (Woodbury, Minn.), Caitlin Race (Stillwater, Minn.) and Adam D. Haag (Woodbury, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical metasurface film includes a flexible polymeric film having a first major surface, a patterned polymer layer having a first surface proximate to the first major surface of the flexible pol...